B01J 31/36
Of vanadium, niobium or tantalum
Official title: of vanadium, niobium or tantalum
B01J31/36 (Of vanadium, niobium or tantalum) appears on 36 US grants and 20 published applications in this corpus.
Search patents in B01J- Granted patents
- 36
- Published applications
- 20
- Assignees
- 31
- Inventors
- 126
- Latest grant
- 22 Apr 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 3 | 0 |
| 1978 | 1 | 0 |
| 1979 | 4 | 0 |
| 1980 | 0 | 0 |
| 1981 | 2 | 0 |
| 1982 | 2 | 0 |
| 1983 | 1 | 0 |
| 1984 | 1 | 0 |
| 1985 | 1 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 0 |
| 2002 | 1 | 0 |
| 2003 | 0 | 1 |
| 2004 | 0 | 0 |
| 2005 | 0 | 2 |
| 2006 | 2 | 2 |
| 2007 | 1 | 2 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 1 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 3 |
| 2017 | 1 | 0 |
| 2018 | 2 | 0 |
| 2019 | 0 | 1 |
| 2020 | 0 | 4 |
| 2021 | 1 | 0 |
| 2022 | 3 | 3 |
| 2023 | 1 | 0 |
| 2024 | 0 | 0 |
| 2025 | 3 | 1 |
| 2026 | 0 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Integrated filter material and preparation method and application thereof22 Apr 2025US 12,280,359 B21. Nanjing Tech University
- Supported three-center catalyst and preparation method and application18 Mar 2025US 12,252,575 B2South China Agricultural University
- Process for preparing solid catalyst components for olefin polymerization4 Mar 2025US 12,240,925 B2W. R. Grace & Co.-Conn.
- Catalyst components for propylene polymerization25 Apr 2023US 11,634,520 B2W. R. Grace & Co.-Conn.
- Polyolefin polymer composition23 Aug 2022US 11,421,056 B2W. R. Grace & Co.-Conn.
- Antifouling materials based on glasses with catalytic surface layers13 Aug 2026US 2026/0233202 A1The Government of the United States of America, as represented by the Secretary of the Navy
- Catalyst composition of matter for production of percarboxylic acids8 May 2025US 2025/0144603 A1Symbient Environmental Technologies
- Integrated filter material and preparation method and application thereof17 Nov 2022US 2022/0362746 A1Nanjing Gekof Institute of Environmental Protection Technology & Equipment Co., Ltd.
- Process for preparing solid catalyst components for olefin polymerization15 Sep 2022US 2022/0289881 A1W. R. Grace & Co.-Conn.
- Supported three-center catalyst and preparation method and application24 Feb 2022US 2022/0056165 A1South China Agriculture University
Most cited
By later US patents
- Organometal compound catalyst286US 6,391,816 B1Phillips Petroleum Company · 2002
- Supported superacidic catalysts based on C.sub.10 to C.sub.18 perfluorinated alkanesulfonic acids26US 4,547,474 AAtochem · 1985
- Process for preparing polyolefin23US 4,151,337 AMitsubishi Chemical Industries Limited · 1979
- Catalyst for the synthesis of aromatic monoisocyanates21US 4,267,070 A1981
- Process for paraffin hydrocarbon isomerization and composite catalyst therefore19US 7,053,261 B2Haldor Topsoe A/S · 2006